8638225

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{181}}^1$

素因数の和:297

約数の個数: 24

約数和(自身を含む): 11374272

約数和(自身を除く): 2736047

約数列:

[1, 5, 23, 25, 83, 115, 181, 415, 575, 905, 1909, 2075, 4163, 4525, 9545, 15023, 20815, 47725, 75115, 104075, 345529, 375575, 1727645, 8638225]

約数ペア:

[(1, 8638225), (5, 1727645), (23, 375575), (25, 345529), (83, 104075), (115, 75115), (181, 47725), (415, 20815), (575, 15023), (905, 9545), (1909, 4525), (2075, 4163)]